Abstract
A nonconjugated conducting polymer (1,4-rans-polyisoprene) at different iodine doping levels has been studied with the 27.7-keV Mössbauer resonance of129I. At the light doping level, almost all iodines are covalently bonding to the carbon atoms, breaking the double bonds of the main chain. At the medium doping level, other iodine species are found, which are idendified as anion species, l−, l −3 and l −3 .At the heavy doping level, polyiodide anions, l −3 and l −5 , increase as compared to the covalently bonding iodine atoms and addtionally molecular iodine l2 exists.
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Seto, M., Maeda, Y., Matsuyama, T. et al. Chemical structure of iodine-doped polyisoprene. Hyperfine Interact 68, 213–216 (1992). https://doi.org/10.1007/BF02396474
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DOI: https://doi.org/10.1007/BF02396474